#3D51CD#3D51CD

#3D51CD is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.6% C 0.192 H 270.7°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3D51CD
RGB	rgb(61, 81, 205)
HSL	hsl(232, 59%, 52%)
HSV	hsv(232, 70%, 80%)
CMYK	cmyk(70.2%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(40.05, 33.79, -66.49)
CIE-LCH	lch(40.05, 74.58, 296.94°)
OKLab	oklab(49.65% 0.0022 -0.1919)
OKLCH	oklch(49.65% 0.192 270.7)
XYZ	xyz(15.8826, 11.2832, 59.0866)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D51CD #CDB93D

analogous

#3D99CD #3D51CD #713DCD

triadic

#3D51CD #CD3D51 #51CD3D

tetradic

#3D51CD #CD3D99 #CDB93D #3DCD71

square

#3D51CD #CD3D99 #CDB93D #3DCD71

split-complementary

#3D51CD #CD713D #99CD3D

monochromatic

#1D2972 #2A3BA3 #3D51CD #6E7DDA #9EA8E6

Accessibility & contrast

On white

6.45

#3D51CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3D51CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D51CD

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D51CD	#FFFFFF	#000000	##FFFFFF
##3D51CD	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D1

Deuteranopia (green-blind)

#0058CB

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3d51cd;
/* rgb */ color: rgb(61, 81, 205);
/* oklch */ color: oklch(49.6% 0.192 270.7);

Tailwind

colors: {
  custom: {
    50: '#8581dd',
    500: '#3d51cd',
    950: '#000000',
  },
}

SCSS

$custom: #3d51cd;
$custom-light: #8581dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3d51cd",
  "rgb": {
    "r": 61,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 231.667,
    "s": 59.016,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49646,
    "c": 0.19187,
    "h": 270.7
  },
  "luminance": 0.11285
}

Semantic roles & 50–950 ramp

primary

#3D51CD

secondary

#D2CA93

accent

#CC46E2

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3D51CD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →